$prefix : 'lz-';
.#{$prefix}header-container{
  position: fixed;
  top:0px;
  left: 0px;
  width: 100%;
  border-bottom: 1px solid #ddd;
  background-color: #fff;
  height: 54px;
  box-sizing: border-box;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  .left {
  }
  .right{
  }
  .middle{
  }
}